CN217603634U - Telescopic quantity limiting device for air pipe of high-power exhaust fan - Google Patents
Telescopic quantity limiting device for air pipe of high-power exhaust fan Download PDFInfo
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- CN217603634U CN217603634U CN202221890196.2U CN202221890196U CN217603634U CN 217603634 U CN217603634 U CN 217603634U CN 202221890196 U CN202221890196 U CN 202221890196U CN 217603634 U CN217603634 U CN 217603634U
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Abstract
The utility model provides a flexible volume controlling means of high-power exhaust fan tuber pipe for solve smoke exhaust fan ubiquitous noise too big, the frequency of vibration is too high, reduces working life's problem. The utility model discloses a damper, damper's one side is connected with the tuber pipe through the connecting piece, and damper's opposite side is connected with the fan through the connecting piece, and tuber pipe and fan all set up in concrete floor below through the mounting. The utility model discloses a damper has played the vibration/noise reduction effect, not only can effectively reduce the fan along the axial displacement of tuber pipe and vibrations, avoids later stage fan operation in-process frequency of vibration too high, but also can delay the fan to the stretch-draw of joint line when starting and stopping, avoids tuber pipe and fan junction to receive the stretch-draw and leads to damaging, prolongs the service life of junction, strengthens the stability of fan and tuber pipe during operation.
Description
Technical Field
The utility model relates to a smoke exhaust fan's technical field especially relates to a flexible volume limiting device of high-power exhaust fan tuber pipe.
Background
With the rapid development of the current society and economy, newly-built high-rise civil buildings are more and more in various regions in China, because the high-rise buildings are complex in structure and dense in personnel, once a fire breaks out, the fire behavior is difficult to control, the personnel are difficult to escape, and chimney effects such as a closed structure, a stair and a vertical shaft in the high-rise civil buildings cause smoke to diffuse and help the fire behavior to spread. At present, the development of a high-rise fire rescue means cannot adapt to the construction development of a high-rise, and the high-rise fire rescue means and the high-rise building are extremely unmatched, so that high-rise fire occurs in a plurality of factors, a plurality of spreading ways and great harm. The smoke prevention and exhaust system is used as a common fire fighting facility for factory buildings, hotels and high-rise office buildings, and when a fire disaster occurs, the smoke exhaust fan starts to work to exhaust smoke harmful to people or toxic gas to the outside. As an important fire fighting means at present, a smoke exhaust fan is basically provided with a smoke prevention and exhaust system in high-rise buildings in China at present.
The application of the smoke prevention and exhaust system is more and more extensive, but when the smoke exhaust system works, a high-power fan is needed to drive the gas in the air pipe to flow, so that the purpose of smoke exhaust is achieved. When a high-power fan works, due to the fact that vibration frequency is too high, great noise can be generated, surrounding residents are affected, and noise pollution can be caused by the excessive noise. And the fan can stretch the joint of the air pipe and the fan due to vibration and suction when starting and stopping, so that the damage is caused and the service lives of the air pipe and the fan can be shortened.
SUMMERY OF THE UTILITY MODEL
To the fire control smoke exhaust fan ubiquitous on the existing market noise too big, the frequency of vibration is too high, not only can produce noise pollution, can reduce fire control smoke exhaust fan working life's technical problem moreover, the utility model provides a flexible volume limiting device of high-power exhaust fan tuber pipe has solved fan and tuber pipe during operation poor stability, vibrations big, the noise is big, damage easily and working life hangs down the scheduling problem.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows: the utility model provides a flexible volume limiting device of high-power exhaust fan tuber pipe, includes damper, damper's one side is connected with the tuber pipe through the connecting piece, and damper's opposite side is connected with the fan through the connecting piece, and tuber pipe and fan all set up in concrete floor below through the mounting.
Further, the mounting includes a gallows I and a gallows II, and one side and the concrete floor fixed connection of a gallows I, the opposite side of a gallows I are connected with the tuber pipe, one side and the concrete floor fixed connection of a gallows II, and the opposite side of a gallows II is connected with the fan.
Further, the connecting piece includes flange I and flange II, and the tuber pipe is connected with damper through flange I, and the fan is connected with damper through flange II.
Further, damper includes soft connecing and the spring, and soft one end of connecing and the spring all is connected with the flange I of connecting piece, and soft other end of connecing and the spring all is connected with the flange II of connecting piece.
Furthermore, the fan is fixedly provided with an air outlet.
The utility model discloses in original system of discharging fume, junction to tuber pipe and fan is through increasing damper, not only effectively reduce the fan along the axial displacement of tuber pipe and vibrations, avoid later stage fan operation in-process frequency of vibration too high, but also can delay the fan to the stretch-draw of linking air pipe when starting with stopping, it leads to damaging to avoid tuber pipe and fan junction to receive the stretch-draw, the service life of extension tuber pipe and fan junction, reinforcing fan and the stability of tuber pipe during operation, the vibration/noise reduction effect has been played. The utility model discloses simple structure, whole security are good, the installation is swift convenient, extensively are used for high-rise building's the system of discharging fume, also can satisfy the factory building or other large-scale confined spaces in discharge fume and air exchange system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is an air pipe, 2 is a fan, 3 is a fixing part, 31 is a support hanger I, 32 is a support hanger II, 4 is a damping component, 41 is a soft joint, 42 is a spring, 5 is a connecting piece, 51 is a flange I, 52 is a flange II, 6 is an air outlet, and 7 is a concrete floor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, a flexible volume limiting device of high-power exhaust fan tuber pipe, including damper 4, damper 4's one side is connected with tuber pipe 1 through connecting piece 5, and damper 4's opposite side is connected with fan 2 through connecting piece 5, and fan 2's vibrations can be passed to tuber pipe 1, arouses bigger shake altogether, and damper 4 sets up and can effectively prevent that fan 2's vibrations from passing to tuber pipe 1 between tuber pipe 1 and fan 2, prevents the propagation of vibrations source to play the effect that reduces vibrations. Tuber pipe 1 and fan 2 all set up in concrete floor 7 below through mounting 3, through increase damper 4 between tuber pipe 1 and fan 2, the stability of reinforcing fan 2 and tuber pipe 1 during operation has played the vibration/noise reduction effect.
Furthermore, the fixing part 3 comprises a support hanger I31 and a support hanger II 32, one side of the support hanger I31 is fixedly connected with the concrete floor 7, the other side of the support hanger I31 is connected with the air pipe 1, and the support hanger I31 improves the rigidity of the air pipe 1 within the allowable range of self-weight stress so as to avoid excessive sagging and vibration of the air pipe 1 and ensure the safe operation of a channel and connecting equipment. One side and the concrete floor 7 fixed connection of a gallows II 32, the opposite side of a gallows II 32 is connected with fan 2, when an application gallows I31 and a gallows II 32, one end will closely link to each other with the building structure, and the other end is used for bearing the load of tuber pipe 1 and fan 2 self, and a gallows is used for fixed tuber pipe 1 and fan 2, prevents that tuber pipe 1 and fan 2 from squinting to any direction.
Further, the connecting piece 5 comprises a flange I51 and a flange II 52, the flange I51 and the flange II 52 are made of angle steel, the material is cheap, the angle steel is used as a metal air pipe of the flange, the strength is high, the sealing performance is good, and the requirement of a high-pressure air pipe is met. The air pipe 1 is connected with the damping component 4 through a flange I51, and the fan 2 is connected with the damping component 4 through a flange II 52. The flange I51 and the flange II 52 are mainly used for connecting and fastening pipelines, pipe fittings and the like, are connected by flanges, are convenient to use, can bear large pressure, enable the pipe fitting connection position to be fixed and sealed, and can well keep the sealing performance of the pipeline pipe fittings.
Furthermore, the damping component 4 comprises a soft joint 41 and a spring 42, wherein the soft joint 41 is made of canvas, and has the advantages of long service life, energy conservation, environmental protection, convenient installation, wear resistance, durability, softness and toughness. One ends of the soft joint 41 and the spring 42 are connected with a flange I51 of the connecting piece 5, and the other ends of the soft joint 41 and the spring 42 are connected with a flange II 52 of the connecting piece 5. The soft connection 41 and the spring 42 can effectively reduce the vibration of the fan 2 during starting and running, and can play a good role in damping the air pipe 1. Meanwhile, the spring 42 can delay the tension of the joint of the fan 2 when the fan is started or stopped, and the service lives of the air pipe 1 and the fan 2 are prolonged.
Furthermore, fan 2 is fixed and is equipped with air exit 6, and air exit 6 adopts the horn mouth shape, enlarges the area of exhaust pipe, increases the speed of discharging fume.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a flexible volume limiting device of high-power exhaust fan tuber pipe, includes damper (4), its characterized in that, one side of damper (4) is connected with tuber pipe (1) through connecting piece (5), and the opposite side of damper (4) is connected with fan (2) through connecting piece (5), and tuber pipe (1) and fan (2) all set up in concrete floor (7) below through mounting (3).
2. The device for limiting the expansion and contraction of the air pipe of the high-power exhaust fan according to claim 1, wherein the fixing member (3) comprises a support hanger I (31) and a support hanger II (32), one side of the support hanger I (31) is fixedly connected with the concrete floor (7), the other side of the support hanger I (31) is connected with the air pipe (1), one side of the support hanger II (32) is fixedly connected with the concrete floor (7), and the other side of the support hanger II (32) is connected with the fan (2).
3. The device for limiting the expansion and contraction of the air pipe of the high-power exhaust fan according to claim 2, wherein the connecting piece (5) comprises a flange I (51) and a flange II (52), the air pipe (1) is connected with the damping component (4) through the flange I (51), and the fan (2) is connected with the damping component (4) through the flange II (52).
4. The device for limiting the expansion and contraction of the air pipe of the high-power exhaust fan according to claim 2 or 3, wherein the damping component (4) comprises a soft joint (41) and a spring (42), one end of the soft joint (41) and one end of the spring (42) are both connected with a flange I (51) of the connecting piece (5), and the other end of the soft joint (41) and the other end of the spring (42) are both connected with a flange II (52) of the connecting piece (5).
5. The device for limiting the expansion and contraction of the air pipe of the high-power exhaust fan according to claim 4, wherein the fan (2) is fixedly provided with an exhaust outlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890196.2U CN217603634U (en) | 2022-07-21 | 2022-07-21 | Telescopic quantity limiting device for air pipe of high-power exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890196.2U CN217603634U (en) | 2022-07-21 | 2022-07-21 | Telescopic quantity limiting device for air pipe of high-power exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217603634U true CN217603634U (en) | 2022-10-18 |
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ID=83593326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221890196.2U Active CN217603634U (en) | 2022-07-21 | 2022-07-21 | Telescopic quantity limiting device for air pipe of high-power exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217603634U (en) |
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2022
- 2022-07-21 CN CN202221890196.2U patent/CN217603634U/en active Active
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